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path: root/drivers/usb/musb/musb_dsps.c
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Diffstat (limited to 'drivers/usb/musb/musb_dsps.c')
-rw-r--r--drivers/usb/musb/musb_dsps.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index bc6a9be2ccc5..f6b526606ad1 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -1015,13 +1015,20 @@ static int dsps_suspend(struct device *dev)
const struct dsps_musb_wrapper *wrp = glue->wrp;
struct musb *musb = platform_get_drvdata(glue->musb);
void __iomem *mbase;
-
- del_timer_sync(&glue->timer);
+ int ret;
if (!musb)
/* This can happen if the musb device is in -EPROBE_DEFER */
return 0;
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(dev);
+ return ret;
+ }
+
+ del_timer_sync(&glue->timer);
+
mbase = musb->ctrl_base;
glue->context.control = musb_readl(mbase, wrp->control);
glue->context.epintr = musb_readl(mbase, wrp->epintr_set);
@@ -1060,6 +1067,8 @@ static int dsps_resume(struct device *dev)
musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE)
dsps_mod_timer(glue, -1);
+ pm_runtime_put(dev);
+
return 0;
}
#endif